CN216663438U - Feeding mechanism of sewing machine - Google Patents
Feeding mechanism of sewing machine Download PDFInfo
- Publication number
- CN216663438U CN216663438U CN202123238045.7U CN202123238045U CN216663438U CN 216663438 U CN216663438 U CN 216663438U CN 202123238045 U CN202123238045 U CN 202123238045U CN 216663438 U CN216663438 U CN 216663438U
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- China
- Prior art keywords
- tooth
- cloth feeding
- base
- motor
- feeding
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- 238000009958 sewing Methods 0.000 title claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a feeding mechanism of a sewing machine, which comprises a base, wherein a machine head is arranged above the base, a needle plate is arranged on the base at a position corresponding to a machine head stitch and a presser foot, a driving groove is formed in the needle plate, a cloth feeding tooth is arranged at the position of the driving groove, the bottom of the base is provided with the feeding mechanism, the feeding mechanism comprises a tooth lifting motor and a cloth feeding motor which are arranged at the bottom of the base, the tooth lifting motor is movably connected with one end of a tooth holder through a tooth lifting transmission mechanism, the cloth feeding motor is movably connected with the other end of the tooth holder through a cloth feeding transmission mechanism, and the cloth feeding tooth is fixed at the top of the tooth holder; the utility model adopts double motors to drive the feed dog, wherein one motor is responsible for feeding cloth, and the other motor adjusts the height of the feed dog, so that the sewing requirements of different stitches can be better met.
Description
Technical Field
The utility model relates to the technology of sewing machines, in particular to a feeding mechanism of a sewing machine.
Background
The sewing machine finishes cloth feeding action through the matching of the cloth feeding teeth and the presser foot when in work, the cloth feeding teeth in the existing structure are driven by the driving shaft, the driving shaft is linked with the main shaft of the sewing machine, so that the synchronization of the cloth feeding teeth and the presser foot is ensured, the sewing machine sews fabrics of different materials and thicknesses, the cloth feeding teeth of the existing feeding structure can not adjust the height and the stroke of the cloth feeding teeth, and the existing cloth feeding structure is not free from the force when aiming at thicker multilayer fabrics, so that the effect of sewing stitches is influenced finally.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a feeding mechanism of a sewing machine, which adopts double motors to drive a cloth feeding tooth, wherein one motor is responsible for feeding cloth, and the other motor is used for adjusting the height of the cloth feeding tooth, so that the sewing requirements of different stitches can be better met.
The following technical scheme is adopted for achieving the purpose:
the utility model provides a sewing machine's feeding mechanism, includes the base, is provided with the aircraft nose above the base, and the position that the base corresponds aircraft nose stitch and presser foot is provided with the faller, has seted up the drive groove on the faller, and drive groove department sets up feed dog, its characterized in that: the feeding mechanism is arranged at the bottom of the base and comprises a tooth lifting motor and a cloth feeding motor, the tooth lifting motor and the cloth feeding motor are arranged at the bottom of the base, the tooth lifting motor is movably connected with one end of the tooth holder through a tooth lifting transmission mechanism, the cloth feeding motor is movably connected with the other end of the tooth holder through a cloth feeding transmission mechanism, and the cloth feeding tooth is fixed to the top of the tooth holder.
The tooth lifting transmission mechanism comprises a tooth lifting pivot, the middle part of the tooth lifting pivot is pivoted at the bottom of the base, two ends of the tooth lifting pivot are fixedly connected with a first rocker arm and a second rocker arm respectively, the first rocker arm is movably connected with a first driving arm at the output end of the tooth lifting motor through a first connecting rod, and the second rocker arm is movably connected with one end of the tooth holder through a second connecting rod; the tooth lifting motor realizes the lifting of the tooth holder through the tooth lifting transmission mechanism.
The cloth feeding transmission mechanism comprises a cloth feeding pivot, the middle of the cloth feeding pivot is pivoted to the bottom of the base, a third rocker arm and a fourth rocker arm are fixedly connected to two ends of the cloth feeding pivot respectively, the third rocker arm is movably connected with a second driving arm at the output end of the cloth feeding motor through a third connecting rod, the fourth rocker arm is movably connected with the other end of the tooth holder, and the cloth feeding motor drives the tooth holder to move back and forth through the cloth feeding transmission mechanism.
The two independent driving motors are respectively responsible for the reciprocating motion and the lifting of the feed dog, the feed dog lifting height can be adjusted by the feed dog lifting motor, the cloth feeding stroke of the feed dog can be adjusted by adjusting the speed of the feed dog lifting motor, the sewing requirements of different layers and different fabrics are met by the two driving motors, and the cloth feeding device has the characteristics of reasonable specific structure and convenience in use.
Drawings
FIG. 1 is a schematic structural view of the whole machine of the present invention;
FIG. 2 is a schematic structural view of a feeding mechanism and a base of the present invention;
FIG. 3 is a schematic structural diagram (I) of a feeding mechanism and a driving motor according to the present invention;
FIG. 4 is a schematic structural view (II) of a driving motor of the feeding mechanism of the present invention;
fig. 5 is a schematic structural view of the feeding mechanism of the present invention.
Detailed Description
As shown in fig. 1-5, a feeding mechanism of a sewing machine comprises a base 1, a machine head 2 is arranged above the base 1, a needle plate is arranged at the position of the base 1 corresponding to a stitch and a presser foot of the machine head 2, a driving groove is arranged on the needle plate, a feed dog 3 is arranged at the driving groove, and the feeding mechanism is arranged at the bottom of the base 1.
The feeding mechanism comprises a tooth lifting motor 5 and a cloth feeding motor 6 which are arranged at the bottom of the base, the tooth lifting motor 5 is movably connected with one end of the tooth holder 7 through a tooth lifting transmission mechanism, the tooth lifting transmission mechanism comprises a tooth lifting pivot 51, the middle part of the tooth lifting pivot 51 is pivoted at the bottom of the base 1, two ends of the tooth lifting pivot 51 are fixedly connected with a first rocker 52 and a second rocker 53 respectively, the first rocker 52 is movably connected with a first driving arm 55 at the output end of the tooth lifting motor 5 through a first connecting rod 54, and the second rocker 53 is movably connected with one end of the tooth holder 7 through a second connecting rod 56; the tooth lifting motor 5 realizes the lifting of the tooth holder 7 through the tooth lifting transmission mechanism.
The cloth feeding motor 6 is movably connected with the other end of the tooth holder 7 through a cloth feeding transmission mechanism, and the cloth feeding teeth 3 are fixed at the top of the tooth holder 7; the cloth feeding transmission mechanism comprises a cloth feeding pivot 61, the middle part of the cloth feeding pivot 61 is pivoted at the bottom of the base 1, two ends of the cloth feeding pivot 61 are fixedly connected with a third rocker arm 62 and a fourth rocker arm 63 respectively, the third rocker arm 62 is movably connected with a second driving arm 65 at the output end of the cloth feeding motor 6 through a third connecting rod 64, the fourth rocker arm 63 is movably connected with the other end of the tooth holder 7, and the cloth feeding motor 6 drives the tooth holder 7 to move back and forth through the cloth feeding transmission mechanism.
When the cloth feeding mechanism works, the cloth feeding motor 6 rotates to drive the third rocker arm 62 to swing back and forth through the second driving arm 65 and the third connecting rod 64, and further the tooth holder 7 is driven to move back and forth through the cloth feeding pivot 61 and the fourth rocker arm 6; similarly, the tooth lifting motor 5 drives the first rocker arm 52 to swing back and forth through the first driving arm 55 and the first connecting rod 54, and further drives the second rocker arm 53 to swing up and down through the tooth lifting pivot 51, and the second rocker arm 53 realizes the height adjustment of the tooth holder 7 through the second connecting rod 56; when the tooth holder 7 moves forwards, the forward sewing of forward feeding is realized by lifting, when the tooth holder 7 is reset backwards, the backward backstitch is realized by lifting, and when the tooth holder 7 moves forwards or backwards, the feed speed is adjusted by controlling the lifting time through the tooth lifting transmission mechanism.
The two independent driving motors are respectively responsible for the reciprocating motion and the lifting of the feed dog, the feed dog lifting height can be adjusted by the feed dog lifting motor, the cloth feeding stroke of the feed dog can be adjusted by adjusting the speed of the feed dog lifting motor, the sewing requirements of different layers and different fabrics are met by the two driving motors, and the cloth feeding device has the characteristics of reasonable specific structure and convenience in use.
Claims (3)
1. The utility model provides a feeding mechanism of sewing machine, includes base (1), is provided with aircraft nose (2) above base (1), and the position that base (1) corresponds aircraft nose (2) stitch and presser foot is provided with the faller, has seted up the driving groove on the faller, and driving groove department sets up feed dog (3), its characterized in that: the feeding mechanism is arranged at the bottom of the base (1) and comprises a tooth lifting motor (5) and a cloth feeding motor (6), the tooth lifting motor (5) is arranged at the bottom of the base and is movably connected with one end of the tooth holder (7) through a tooth lifting transmission mechanism, the cloth feeding motor (6) is movably connected with the other end of the tooth holder (7) through a cloth feeding transmission mechanism, and the cloth feeding tooth (3) is fixed at the top of the tooth holder (7).
2. The feed mechanism of a sewing machine as claimed in claim 1, wherein: the tooth lifting transmission mechanism comprises a tooth lifting pivot (51), the middle part of the tooth lifting pivot (51) is pivoted at the bottom of the base (1), two ends of the tooth lifting pivot (51) are fixedly connected with a first rocker arm (52) and a second rocker arm (53) respectively, the first rocker arm (52) is movably connected with a first driving arm (55) at the output end of the tooth lifting motor (5) through a first connecting rod (54), and the second rocker arm (53) is movably connected with one end of the tooth holder (7) through a second connecting rod (56); the tooth lifting motor (5) realizes the lifting of the tooth holder (7) through a tooth lifting transmission mechanism.
3. The feed mechanism of a sewing machine as claimed in claim 1, wherein: the cloth feeding transmission mechanism comprises a cloth feeding pivot (61), the middle of the cloth feeding pivot (61) is pivoted at the bottom of the base (1), two ends of the cloth feeding pivot (61) are fixedly connected with a third rocker arm (62) and a fourth rocker arm (63) respectively, the third rocker arm (62) is movably connected with a second driving arm (65) at the output end of the cloth feeding motor (6) through a third connecting rod (64), the fourth rocker arm (63) is movably connected with the other end of the tooth base (7), and the cloth feeding motor (6) drives the tooth base (7) to move back and forth through the cloth feeding transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123238045.7U CN216663438U (en) | 2021-12-21 | 2021-12-21 | Feeding mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123238045.7U CN216663438U (en) | 2021-12-21 | 2021-12-21 | Feeding mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216663438U true CN216663438U (en) | 2022-06-03 |
Family
ID=81793735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123238045.7U Active CN216663438U (en) | 2021-12-21 | 2021-12-21 | Feeding mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216663438U (en) |
-
2021
- 2021-12-21 CN CN202123238045.7U patent/CN216663438U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Chuantian Sewing Equipment Co.,Ltd. Assignor: Zhejiang chuantian Intelligent Technology Co.,Ltd. Contract record no.: X2024330000457 Denomination of utility model: A feeding mechanism for a sewing machine Granted publication date: 20220603 License type: Common License Record date: 20240827 |
|
| EE01 | Entry into force of recordation of patent licensing contract |